Commit 5e469ed9 authored by Felix Fietkau's avatar Felix Fietkau Committed by Johannes Berg
Browse files

mac80211: fix rx reordering with non explicit / psmp ack policy 



When the QoS ack policy was set to non explicit / psmp ack, frames are treated
as not being part of a BA session, which causes extra latency on reordering.
Fix this by only bypassing reordering for packets with no-ack policy

Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20220420105038.36443-1-nbd@nbd.name


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent bb300130

net/mac80211/rx.c

+1 −2
Original line number Diff line number Diff line
@@ -1405,8 +1405,7 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx, 
		goto dont_reorder;



	/* not part of a BA session */

	if (ack_policy != IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK &&

	    ack_policy != IEEE80211_QOS_CTL_ACK_POLICY_NORMAL)

	if (ack_policy == IEEE80211_QOS_CTL_ACK_POLICY_NOACK)

		goto dont_reorder;



	/* new, potentially un-ordered, ampdu frame - process it */